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Troubleshooting
Do not repair or disassemble the unit by yourself, unauthorized repair attempts will invalidate the
warranty and may cause bodily harm.
Trouble
Reason
Solution
The unit does
not work
No power supply
Power-on and turn on the unit.
Water-full indicator illuminated
Drain the internal water tank
Timer function is active
Cancel Timer function
Room temperature too low or too high
Use only in ambient temperatures between
5-35
℃
The unit does
not seem to
perform.
In direct sunlight
Draw the curtains, UV affects RC
Windows or doors open.
Large amount of people or a heat source
in the room.
Close windows and turn on another air
conditioner
Filter is very dirty
Clean or change the air filter
Air inlet or air outlet is blocked
Clear out debris
Room temperature is lower than setting
temperature
Change the setting temperature
The unit is loud The unit is not sited on flat surface
Put the unit on flat and hard surface
Compressor
does not work
Overheating protection is active
Check venting.
Restart the unit after 5 minutes when compressor
has cooled
Remote control
doesn’t work
Operating distance is too far.
Move remote control closer to the unit and make
sure it aims at the air-outlet grille
Control panel has not received the signal
from remote control.
The batteries are flat
Replace the batteries
P1 on LCD
Water tank is full inside the machine
Drain out water from drain port at bottom rear of
the unit.
Other errors
Room temperature is abnormal
Temperature not within 5-35 C operating range. If
temperature within operating range refer to
Service Centre
(check room temperature sensor or relevant
circuit)
No refrigerant or there is very little
refrigerant
Refer to Service Centre (check leakage, wielding,
vacuum pump, charge refrigerant according to
name plate)
Anti-freezing protection
Waiting for defrosting.
Function will recover automatically. No user input
needed.
High pressure protection
After inside gas pressure comes down, it will
function normally. No user input needed
Water leakage / Middle bung pushed out
Internal blockage. Clean filters.
Use permanent drainage in middle water port if
very humid environment or in heating/
dehumidifier mode
If the above solutions do not resolve the problem please contact the service centre.
